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            <h3 class="title"><a id="CommandUnifileExample"></a>Example</h3>
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          Below is a sample file, test.csd, which renders a .wav file at 44.1 kHz sample rate containing one second of a 1 kHz sine wave. Displays are suppressed. test.csd was created from two files, tone.orc and tone.sco, with the addition of command line flags.

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<span class="csdtag">&lt;CsoundSynthesizer&gt;</span>;
  <span class="comment">; test.csd - a Csound structured data file</span>
  
<span class="csdtag">&lt;CsOptions&gt;</span>
  -W -d -o tone.wav 
<span class="csdtag">&lt;/CsOptions&gt;</span>
  
<span class="csdtag">&lt;CsVersion&gt;</span>    <span class="comment">; optional section</span>
  Before 4.10  <span class="comment">; these two statements check for</span>
  After 4.08   <span class="comment">; Csound version 4.09</span>
<span class="csdtag">&lt;/CsVersion&gt;</span>
  
<span class="csdtag">&lt;CsInstruments&gt;</span>
  <span class="comment">; originally tone.orc</span> 
  <span class="ohdr">sr</span> = 44100
  <span class="ohdr">kr</span> = 4410
  <span class="ohdr">ksmps</span> = 10
  <span class="ohdr">nchnls</span> = 1
  <span class="oblock">instr</span>   1 
      a1 <span class="opc">oscil</span> p4, p5, 1 <span class="comment">; simple oscillator</span>
         <span class="opc">out</span> a1
  <span class="oblock">endin</span>
<span class="csdtag">&lt;/CsInstruments&gt;</span>

<span class="csdtag">&lt;CsScore&gt;</span>
  <span class="comment">; originally tone.sco</span>
  <span class="stamnt">f</span>1 0 8192 10 1
  <span class="stamnt">i</span>1 0 1 20000 1000 <span class="comment">; play one second of one kHz tone</span>
  <span class="stamnt">e</span>
<span class="csdtag">&lt;/CsScore&gt;</span>

<span class="csdtag">&lt;/CsoundSynthesizer&gt;</span></pre>
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